mirror of https://github.com/CrimsonTome/tldr.git
33 lines
1.0 KiB
Markdown
33 lines
1.0 KiB
Markdown
# if
|
|
|
|
> Performs conditional processing in batch scripts.
|
|
> More information: <https://docs.microsoft.com/windows-server/administration/windows-commands/if>.
|
|
|
|
- Execute the specified commands if the condition is true:
|
|
|
|
`if {{condition}} ({{echo Condition is true}})`
|
|
|
|
- Execute the specified commands if the condition is false:
|
|
|
|
`if not {{condition}} ({{echo Condition is true}})`
|
|
|
|
- Execute the first specified commands if the condition is true otherwise execute the second specified commands:
|
|
|
|
`if {{condition}} ({{echo Condition is true}}) else ({{echo Condition is false}})`
|
|
|
|
- Check whether `%errorlevel%` is greater than or equal to the specified exit code:
|
|
|
|
`if errorlevel {{exit_code}} ({{echo Condition is true}})`
|
|
|
|
- Check whether two strings are equal:
|
|
|
|
`if {{string}} == {{string}} ({{echo Condition is true}})`
|
|
|
|
- Check whether two strings are equal without respecting letter case:
|
|
|
|
`if /i {{string}} == {{string}} ({{echo Condition is true}})`
|
|
|
|
- Check whether a file exist:
|
|
|
|
`if exist {{path/to/file}} ({{echo Condition is true}})`
|